cloud-fan commented on code in PR #44261:
URL: https://github.com/apache/spark/pull/44261#discussion_r1437458586
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala:
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@@ -129,27 +129,20 @@ case class CurrentTimeZone() extends LeafExpression with
Unevaluable {
""",
note = """
The syntax without braces has been supported since 2.0.1.
+ There is no code generation since this expression should get constant
folded by the optimizer.
Review Comment:
We don't need to mention this internal detail in the user-facing doc.
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